Question

one responsibility of the employer is to consider if there are any other, less toxic, chemicals that could perform a similar job. this process is called

environmental monitoring

product substitution

personal monitoring

engineering controls

Explanation:

Product substitution involves replacing a chemical or product with a less toxic or more suitable alternative while maintaining functionality. Environmental monitoring focuses on assessing environmental conditions. Personal monitoring is about tracking an individual's exposure. Engineering controls involve physical changes (e.g., ventilation). Since the question is about replacing with a less - toxic chemical (substitution), product substitution fits.

Answer:

Product substitution